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Charles Wilt wrote:
Trying to do some performance tuning, noticed that the SQL plan
cache often has the same statement shown multiple times...which
of course throws off the "Total Times Run".
I guess that would be the total times the [same] statement has
been run _with the associated plan_ then.? :-)
Anybody know why this happens? or some way to work around it?
(he says as he looks at Elvis ;-)
Get all invocations of that statement to implement with the same
plan.? ;-)
Seriously though... I seem to recall seeing that, for example,
the /same/ statement run interactive [*firstio implicit
optimization] versus batch [with *allio implicit optimization] would
appear separately; the statements /explained/ with that difference.
For that scenario, adding the OPTIMIZE FOR ALL ROWS clause on the
SELECT request would make the one statement appear only once, after
having cleared the cache.
Regards, Chuck
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